Example usage for android.media MediaMetadataRetriever METADATA_KEY

Introduction

In this page you can find the example usage for android.media MediaMetadataRetriever METADATA_KEY_ALBUM.

Prototype

int METADATA_KEY_ALBUM

To view the source code for android.media MediaMetadataRetriever METADATA_KEY_ALBUM.

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Document

The metadata key to retrieve the information about the album title of the data source.

Usage

From source file:org.gateshipone.odyssey.utils.FileExplorerHelper.java

/**
 * create a TrackModel for the given File
 * if no entry in the mediadb is found a dummy TrackModel will be created
 *///  w w w.  j  a  v  a2  s .c  o m
public TrackModel getTrackModelForFile(Context context, FileModel file) {
    TrackModel track = null;

    String urlString = file.getURLString();

    if (mTrackHash.isEmpty()) {
        // lookup the current file in the media db
        String whereVal[] = { urlString };

        String where = MediaStore.Audio.Media.DATA + "=?";

        Cursor cursor = PermissionHelper.query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                MusicLibraryHelper.projectionTracks, where, whereVal, MediaStore.Audio.Media.TRACK);

        if (cursor != null) {
            if (cursor.moveToFirst()) {
                String title = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE));
                long duration = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media.DURATION));
                int no = cursor.getInt(cursor.getColumnIndex(MediaStore.Audio.Media.TRACK));
                String artist = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ARTIST));
                String album = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM));
                String url = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.DATA));
                String albumKey = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM_KEY));
                long id = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media._ID));

                track = new TrackModel(title, artist, album, albumKey, duration, no, url, id);
            }

            cursor.close();
        }
    } else {
        // use pre built hash to lookup the file
        track = mTrackHash.get(urlString);
    }

    if (track == null) {
        // no entry in the media db was found so create a custom track
        try {
            // try to read the file metadata

            MediaMetadataRetriever retriever = new MediaMetadataRetriever();

            retriever.setDataSource(context, Uri.parse(FormatHelper.encodeFileURI(urlString)));

            String title = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE);

            if (title == null) {
                title = file.getName();
            }

            String durationString = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);

            long duration = 0;

            if (durationString != null) {
                try {
                    duration = Long.valueOf(durationString);
                } catch (NumberFormatException e) {
                    duration = 0;
                }
            }

            String noString = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER);

            int no = -1;

            if (noString != null) {
                try {
                    if (noString.contains("/")) {
                        // if string has the format (trackNumber / numberOfTracks)
                        String[] components = noString.split("/");
                        if (components.length > 0) {
                            no = Integer.valueOf(components[0]);
                        }
                    } else {
                        no = Integer.valueOf(noString);
                    }
                } catch (NumberFormatException e) {
                    no = -1;
                }
            }

            String artist = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST);
            String album = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM);

            String albumKey = "" + ((artist == null ? "" : artist) + (album == null ? "" : album)).hashCode();

            track = new TrackModel(title, artist, album, albumKey, duration, no, urlString, -1);
        } catch (Exception e) {
            String albumKey = "" + file.getName().hashCode();
            track = new TrackModel(file.getName(), "", "", albumKey, 0, -1, urlString, -1);
        }
    }

    return track;
}

From source file:org.amahi.anywhere.service.AudioService.java

private void setUpAudioPlayerRemote(AudioMetadataFormatter audioMetadataFormatter, Bitmap audioAlbumArt) {
    audioPlayerRemote.editMetadata(true)
            .putString(MediaMetadataRetriever.METADATA_KEY_TITLE,
                    audioMetadataFormatter.getAudioTitle(audioFile))
            .putString(MediaMetadataRetriever.METADATA_KEY_ALBUM,
                    audioMetadataFormatter.getAudioSubtitle(audioShare))
            .putBitmap(RemoteControlClient.MetadataEditor.BITMAP_KEY_ARTWORK,
                    getAudioPlayerRemoteArtwork(audioAlbumArt))
            .apply();/* ww  w.  j  a va2 s.  c  o m*/
}

From source file:com.achep.acdisplay.services.media.MediaController2KitKat.java

/**
 * Updates {@link #mMetadata metadata} from given remote metadata class.
 * This also updates play state.//from ww  w. j  ava  2  s. c  o  m
 *
 * @param data Object of metadata to update from, or {@code null} to clear local metadata.
 * @see #clearMetadata()
 */
private void updateMetadata(@Nullable RemoteController.MetadataEditor data) {
    if (data == null) {
        if (mMetadata.isEmpty())
            return;
        mMetadata.clear();
    } else {
        mMetadata.title = data.getString(MediaMetadataRetriever.METADATA_KEY_TITLE, null);
        mMetadata.artist = data.getString(MediaMetadataRetriever.METADATA_KEY_ARTIST, null);
        mMetadata.album = data.getString(MediaMetadataRetriever.METADATA_KEY_ALBUM, null);
        mMetadata.duration = data.getLong(MediaMetadataRetriever.METADATA_KEY_DURATION, -1);
        mMetadata.bitmap = data.getBitmap(MediaMetadataEditor.BITMAP_KEY_ARTWORK, null);
        mMetadata.generateSubtitle();
    }

    notifyOnMetadataChanged();
}

From source file:de.qspool.clementineremote.backend.ClementinePlayerConnection.java

/**
 * Update the RemoteControlClient//from  w w  w.  j  a  v  a  2  s. c om
 */
private void updateRemoteControlClient() {
    // Update playstate
    if (App.mClementine.getState() == Clementine.State.PLAY) {
        mRcClient.setPlaybackState(RemoteControlClient.PLAYSTATE_PLAYING);
    } else {
        mRcClient.setPlaybackState(RemoteControlClient.PLAYSTATE_PAUSED);
    }

    // Get the metadata editor
    if (mLastSong != null && mLastSong.getArt() != null) {
        RemoteControlClient.MetadataEditor editor = mRcClient.editMetadata(false);
        editor.putBitmap(MetadataEditor.BITMAP_KEY_ARTWORK, mLastSong.getArt());

        // The RemoteControlClients displays the following info:
        // METADATA_KEY_TITLE (white) - METADATA_KEY_ALBUMARTIST (grey) - METADATA_KEY_ALBUM (grey)
        //
        // So i put the metadata not in the "correct" fields to display artist, track and album
        // TODO: Fix it when changed in newer android versions
        editor.putString(MediaMetadataRetriever.METADATA_KEY_ALBUM, mLastSong.getAlbum());
        editor.putString(MediaMetadataRetriever.METADATA_KEY_TITLE, mLastSong.getArtist());
        editor.putString(MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST, mLastSong.getTitle());
        editor.apply();
    }
}

From source file:com.andreadec.musicplayer.MusicService.java

private void updateNotificationMessage() {
    /* Update remote control client */
    if (Build.VERSION.SDK_INT >= 14) {
        if (currentPlayingItem == null) {
            remoteControlClient.setPlaybackState(RemoteControlClient.PLAYSTATE_STOPPED);
        } else {//from   ww  w .  ja  v  a2s.c o  m
            if (isPlaying()) {
                remoteControlClient.setPlaybackState(RemoteControlClient.PLAYSTATE_PLAYING);
            } else {
                remoteControlClient.setPlaybackState(RemoteControlClient.PLAYSTATE_PAUSED);
            }
            RemoteControlClient.MetadataEditor metadataEditor = remoteControlClient.editMetadata(true);
            metadataEditor.putString(MediaMetadataRetriever.METADATA_KEY_TITLE, currentPlayingItem.getTitle());
            metadataEditor.putString(MediaMetadataRetriever.METADATA_KEY_ALBUM, currentPlayingItem.getArtist());
            metadataEditor.putString(MediaMetadataRetriever.METADATA_KEY_ARTIST,
                    currentPlayingItem.getArtist());
            metadataEditor.putLong(MediaMetadataRetriever.METADATA_KEY_DURATION, getDuration());
            if (currentPlayingItem.hasImage()) {
                metadataEditor.putBitmap(METADATA_KEY_ARTWORK, currentPlayingItem.getImage());
            } else {
                metadataEditor.putBitmap(METADATA_KEY_ARTWORK, icon.copy(icon.getConfig(), false));
            }
            metadataEditor.apply();
        }
    }

    /* Update notification */
    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this);
    notificationBuilder.setSmallIcon(R.drawable.audio_white);
    //notificationBuilder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher));
    notificationBuilder.setOngoing(true);

    int playPauseIcon = isPlaying() ? R.drawable.pause : R.drawable.play;
    //int playPauseString = isPlaying() ? R.string.pause : R.string.play;
    notificationBuilder.setContentIntent(pendingIntent);

    String notificationMessage = "";
    if (currentPlayingItem == null) {
        notificationMessage = getResources().getString(R.string.noSong);
    } else {
        if (currentPlayingItem.getArtist() != null && !currentPlayingItem.getArtist().equals(""))
            notificationMessage = currentPlayingItem.getArtist() + " - ";
        notificationMessage += currentPlayingItem.getTitle();
    }

    /*notificationBuilder.addAction(R.drawable.previous, getResources().getString(R.string.previous), previousPendingIntent);
    notificationBuilder.addAction(playPauseIcon, getResources().getString(playPauseString), playpausePendingIntent);
    notificationBuilder.addAction(R.drawable.next, getResources().getString(R.string.next), nextPendingIntent);*/
    notificationBuilder.setContentTitle(getResources().getString(R.string.app_name));
    notificationBuilder.setContentText(notificationMessage);

    notification = notificationBuilder.build();

    RemoteViews notificationLayout = new RemoteViews(getPackageName(), R.layout.layout_notification);

    if (currentPlayingItem == null) {
        notificationLayout.setTextViewText(R.id.textViewArtist, getString(R.string.app_name));
        notificationLayout.setTextViewText(R.id.textViewTitle, getString(R.string.noSong));
        notificationLayout.setImageViewBitmap(R.id.imageViewNotification,
                BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher));
    } else {
        notificationLayout.setTextViewText(R.id.textViewArtist, currentPlayingItem.getArtist());
        notificationLayout.setTextViewText(R.id.textViewTitle, currentPlayingItem.getTitle());
        Bitmap image = currentPlayingItem.getImage();
        if (image != null) {
            notificationLayout.setImageViewBitmap(R.id.imageViewNotification, image);
        } else {
            notificationLayout.setImageViewBitmap(R.id.imageViewNotification,
                    BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher));
        }
    }
    notificationLayout.setOnClickPendingIntent(R.id.buttonNotificationQuit, quitPendingIntent);
    notificationLayout.setOnClickPendingIntent(R.id.buttonNotificationPrevious, previousPendingIntent);
    notificationLayout.setImageViewResource(R.id.buttonNotificationPlayPause, playPauseIcon);
    notificationLayout.setOnClickPendingIntent(R.id.buttonNotificationPlayPause, playpausePendingIntent);
    notificationLayout.setOnClickPendingIntent(R.id.buttonNotificationNext, nextPendingIntent);
    notification.bigContentView = notificationLayout;

    notificationManager.notify(Constants.NOTIFICATION_MAIN, notification);
}

From source file:com.twistedequations.rotor.MediaMetadataCompat.java

@TargetApi(Build.VERSION_CODES.KITKAT)
private static void fillEditorKeyMapping() {
    EDITOR_KEY_MAPPING = new SparseArray<String>();
    EDITOR_KEY_MAPPING.put(MediaMetadataEditor.BITMAP_KEY_ARTWORK, METADATA_KEY_ART);
    EDITOR_KEY_MAPPING.put(MediaMetadataEditor.RATING_KEY_BY_OTHERS, METADATA_KEY_RATING);
    EDITOR_KEY_MAPPING.put(MediaMetadataEditor.RATING_KEY_BY_USER, METADATA_KEY_USER_RATING);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_ALBUM, METADATA_KEY_ALBUM);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST, METADATA_KEY_ALBUM_ARTIST);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_ARTIST, METADATA_KEY_ARTIST);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_AUTHOR, METADATA_KEY_AUTHOR);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER, METADATA_KEY_TRACK_NUMBER);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_COMPOSER, METADATA_KEY_COMPOSER);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_COMPILATION, METADATA_KEY_COMPILATION);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_DATE, METADATA_KEY_DATE);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_DISC_NUMBER, METADATA_KEY_DISC_NUMBER);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_DURATION, METADATA_KEY_DURATION);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_GENRE, METADATA_KEY_GENRE);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_NUM_TRACKS, METADATA_KEY_NUM_TRACKS);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_TITLE, METADATA_KEY_TITLE);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_WRITER, METADATA_KEY_WRITER);
    EDITOR_KEY_MAPPING.put(MediaMetadataRetriever.METADATA_KEY_YEAR, METADATA_KEY_YEAR);
}

From source file:com.twistedequations.rotor.MediaMetadataCompat.java

@TargetApi(Build.VERSION_CODES.KITKAT)
private static void fillEditorTypeMapping() {
    EDITOR_KEYS_TYPE = new SparseArray<Integer>(26);
    EDITOR_KEYS_TYPE.put(MediaMetadataEditor.BITMAP_KEY_ARTWORK, METADATA_TYPE_BITMAP);
    EDITOR_KEYS_TYPE.put(MediaMetadataEditor.RATING_KEY_BY_OTHERS, METADATA_TYPE_RATING);
    EDITOR_KEYS_TYPE.put(MediaMetadataEditor.RATING_KEY_BY_USER, METADATA_TYPE_RATING);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_ALBUM, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_ARTIST, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_AUTHOR, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER, METADATA_TYPE_LONG);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_COMPOSER, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_COMPILATION, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_DATE, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_DISC_NUMBER, METADATA_TYPE_LONG);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_DURATION, METADATA_TYPE_LONG);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_YEAR, METADATA_TYPE_LONG);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_GENRE, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_TITLE, METADATA_TYPE_TEXT);
    EDITOR_KEYS_TYPE.put(MediaMetadataRetriever.METADATA_KEY_WRITER, METADATA_TYPE_TEXT);
}

From source file:co.shunya.gita.player.MusicService.java

/**
 * Starts playing the next song. If manualUrl is null, the next song will be randomly selected
 * from our Media Retriever (that is, it will be a random song in the user's device). If
 * manualUrl is non-null, then it specifies the URL or path to the song that will be played
 * next.// w w w  .  j a va 2 s  . com
 */
void playNextSong(Long id) {
    if (id == null || id < 0) {
        throw new IllegalArgumentException("id must be non nul +ve");
    }
    setState(State.Stopped);
    relaxResources(false); // release everything except MediaPlayer

    try {
        // set the source of the media player to a manual URL or path
        Track playingItem = mRetriever.getItem(id);
        createMediaPlayerIfNeeded();
        mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

        if (playingItem == null) {
            Toast.makeText(this, "All Tracks of current category is been played", Toast.LENGTH_LONG).show();
            processStopRequest(true); // stop everything!
            return;
        }
        //            BusProvider.getInstance().post(playingItem);
        mCurrentID = id;
        mPlayer.setDataSource(playingItem.isDownloded() ? playingItem.getLocalUrl(this) : playingItem.getUrl());
        mIsStreaming = playingItem.getUrl().startsWith("http:") || playingItem.getUrl().startsWith("https:");
        mSongTitle = playingItem.getTitle();

        setState(State.Preparing);
        updateUI();

        setUpAsForeground(mSongTitle + " (loading)");

        // Use the media button APIs (if available) to register ourselves for media button
        // events

        MediaButtonHelper.registerMediaButtonEventReceiverCompat(mAudioManager, mMediaButtonReceiverComponent);

        // Use the remote control APIs (if available) to set the playback state

        if (mRemoteControlClientCompat == null) {
            Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON);
            intent.setComponent(mMediaButtonReceiverComponent);
            mRemoteControlClientCompat = new RemoteControlClientCompat(PendingIntent.getBroadcast(
                    this /*context*/, 0 /*requestCode, ignored*/, intent /*intent*/, 0 /*flags*/));
            RemoteControlHelper.registerRemoteControlClient(mAudioManager, mRemoteControlClientCompat);
        }

        mRemoteControlClientCompat.setPlaybackState(RemoteControlClient.PLAYSTATE_PLAYING);

        mRemoteControlClientCompat.setTransportControlFlags(RemoteControlClient.FLAG_KEY_MEDIA_PLAY
                | RemoteControlClient.FLAG_KEY_MEDIA_PAUSE | RemoteControlClient.FLAG_KEY_MEDIA_NEXT
                | RemoteControlClient.FLAG_KEY_MEDIA_PREVIOUS | RemoteControlClient.FLAG_KEY_MEDIA_STOP);

        // Update the remote controls
        mRemoteControlClientCompat.editMetadata(true)
                .putString(MediaMetadataRetriever.METADATA_KEY_ALBUM, "Gita")
                .putString(MediaMetadataRetriever.METADATA_KEY_TITLE, playingItem.getTitle())
                .putBitmap(RemoteControlClientCompat.MetadataEditorCompat.METADATA_KEY_ARTWORK, mDummyAlbumArt)
                .apply();

        // starts preparing the media player in the background. When it's done, it will call
        // our OnPreparedListener (that is, the onPrepared() method on this class, since we set
        // the listener to 'this').
        //
        // Until the media player is prepared, we *cannot* call start() on it!
        mPlayer.prepareAsync();

        // If we are streaming from the internet, we want to hold a Wifi lock, which prevents
        // the Wifi radio from going to sleep while the song is playing. If, on the other hand,
        // we are *not* streaming, we want to release the lock if we were holding it before.
        if (mIsStreaming)
            mWifiLock.acquire();
        else if (mWifiLock.isHeld())
            mWifiLock.release();
    } catch (IOException ex) {
        Log.e("MusicService", "IOException playing next song: " + ex.getMessage());
        ex.printStackTrace();
    }
}

From source file:com.geryon.ocraa.MusicService.java

/**
 * Starts playing the next song. If manualUrl is null, the next song will be randomly selected
 * from our Media Retriever (that is, it will be a random song in the user's device). If
 * manualUrl is non-null, then it specifies the URL or path to the song that will be played
 * next.//from   ww w .java 2  s.c  om
 */
void playNextSong(int pos) {
    position = pos;
    mState = State.Stopped;
    progressBarHandler.removeCallbacks(mUpdateTimeTask);
    MusicRetriever.Item playingItem = null;
    relaxResources(false); // release everything except MediaPlayer

    try {
        if ((position == -1) || (repeat == false && shuffle == true)) {

            Random mRandom = new Random();

            int random = mRandom.nextInt(mRetriever.ItemSize());
            playingItem = mRetriever.getItem(random);
            Log.d("Randomize:", String.valueOf(random));
            position = random;
            Log.d("Position:", String.valueOf(random));
            if (playingItem == null) {
                Toast.makeText(this, "No available music to play. Place some music on your external storage "
                        + "device (e.g. your SD card) and try again.", Toast.LENGTH_LONG).show();
                processStopRequest(true); // stop everything!
                return;
            }

            createMediaPlayerIfNeeded();
            mPlayer.setDataSource(playingItem.getURI().toString());
        }

        else

        if (position != -1) {
            if (repeat == false) {
                if (shuffle == false) {
                    if (position == mRetriever.ItemSize() - 1) {
                        position = 0;
                    } else {
                        position++;
                    }

                }
            }
            playingItem = mRetriever.getItem(position);

            createMediaPlayerIfNeeded();

            mPlayer.setDataSource(playingItem.getURI().toString());

        }

        mSongTitle = playingItem.getTitle();

        mState = State.Preparing;
        setUpAsForeground(mSongTitle + " (loading)");

        // Use the media button APIs (if available) to register ourselves for media button
        // events

        MediaButtonHelper.registerMediaButtonEventReceiverCompat(mAudioManager, mMediaButtonReceiverComponent);

        // Use the remote control APIs (if available) to set the playback state

        if (mRemoteControlClientCompat == null) {
            Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON);
            intent.setComponent(mMediaButtonReceiverComponent);
            mRemoteControlClientCompat = new RemoteControlClientCompat(PendingIntent.getBroadcast(
                    this /*context*/, 0 /*requestCode, ignored*/, intent /*intent*/, 0 /*flags*/));
            RemoteControlHelper.registerRemoteControlClient(mAudioManager, mRemoteControlClientCompat);
        }

        mRemoteControlClientCompat.setPlaybackState(RemoteControlClient.PLAYSTATE_PLAYING);

        mRemoteControlClientCompat.setTransportControlFlags(
                RemoteControlClient.FLAG_KEY_MEDIA_PLAY | RemoteControlClient.FLAG_KEY_MEDIA_PAUSE
                        | RemoteControlClient.FLAG_KEY_MEDIA_NEXT | RemoteControlClient.FLAG_KEY_MEDIA_STOP);

        // Update the remote controls
        mRemoteControlClientCompat.editMetadata(true)
                .putString(MediaMetadataRetriever.METADATA_KEY_ARTIST, playingItem.getArtist())
                .putString(MediaMetadataRetriever.METADATA_KEY_ALBUM, playingItem.getAlbum())
                .putString(MediaMetadataRetriever.METADATA_KEY_TITLE, playingItem.getTitle())
                .putLong(MediaMetadataRetriever.METADATA_KEY_DURATION, playingItem.getDuration())
                // TODO: fetch real item artwork
                .putBitmap(RemoteControlClientCompat.MetadataEditorCompat.METADATA_KEY_ARTWORK, mDummyAlbumArt)
                .apply();

        // starts preparing the media player in the background. When it's done, it will call
        // our OnPreparedListener (that is, the onPrepared() method on this class, since we set
        // the listener to 'this').
        //
        // Until the media player is prepared, we *cannot* call start() on it!
        mPlayer.prepareAsync();
        updateProgressBar();
        // If we are streaming from the internet, we want to hold a Wifi lock, which prevents
        // the Wifi radio from going to sleep while the song is playing. If, on the other hand,
        // we are *not* streaming, we want to release the lock if we were holding it before.
        if (mIsStreaming)
            mWifiLock.acquire();
        else if (mWifiLock.isHeld())
            mWifiLock.release();
    } catch (IOException ex) {
        //  Log.e("MusicService", "IOException playing next song: " + ex.getMessage());
        // ex.printStackTrace();
    }
}

From source file:com.namelessdev.mpdroid.NotificationService.java

/**
 * Update the remote controls.//w  w  w  .  jav  a 2s.  co m
 *
 * @param mpdStatus The current server status object.
 */
private void updateRemoteControlClient(final MPDStatus mpdStatus) {
    final int state = getRemoteState(mpdStatus);

    mRemoteControlClient.editMetadata(true)
            .putString(MediaMetadataRetriever.METADATA_KEY_ALBUM, mCurrentMusic.getAlbum())
            .putString(MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST, mCurrentMusic.getAlbumArtist())
            .putString(MediaMetadataRetriever.METADATA_KEY_ARTIST, mCurrentMusic.getArtist())
            .putLong(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER, (long) mCurrentMusic.getTrack())
            .putLong(MediaMetadataRetriever.METADATA_KEY_DISC_NUMBER, (long) mCurrentMusic.getDisc())
            .putLong(MediaMetadataRetriever.METADATA_KEY_DURATION,
                    mCurrentMusic.getTime() * DateUtils.SECOND_IN_MILLIS)
            .putString(MediaMetadataRetriever.METADATA_KEY_TITLE, mCurrentMusic.getTitle())
            .putBitmap(RemoteControlClient.MetadataEditor.BITMAP_KEY_ARTWORK, mAlbumCover).apply();

    /** Notify of the elapsed time if on 4.3 or higher */
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        mRemoteControlClient.setPlaybackState(state, lastKnownElapsed, 1.0f);
    } else {
        mRemoteControlClient.setPlaybackState(state);
    }
    Log.d(TAG, "Updated remote client with state " + state + " for music " + mCurrentMusic);
}

Example usage for android.media MediaMetadataRetriever METADATA_KEY_ALBUM

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